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TOPIC: Electron Micrographs of New and Used Abrasives

Electron Micrographs of New and Used Abrasives 6 months 6 days ago #16299

  • AnthonyYan
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I really liked this YouTube video which has a field engineer explaining many electron microscope pictures of new and used grinding wheels. I was surprised at how stringy swarf is from the abrasion process. Narrator said the high speed steel was approximately 60 HRC.


https://www.youtube.com/watch?v=SD1BJG-XcuQ
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Electron Micrographs of New and Used Abrasives 5 months 4 weeks ago #16364

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He has another interesting video on the burr...

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Electron Micrographs of New and Used Abrasives 5 months 4 weeks ago #16366

  • mark76
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Thanks guys! This channel has a lot of interesting videos.
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Electron Micrographs of New and Used Abrasives 5 months 4 weeks ago #16369

  • EamonMcGowan
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Hey guys, what is dressing?
The definition of insanity is to do the same thing over and over again and expect a different result?
An old Irish toast, May the wind always be at your back, may you always have work and may you be in heaven a half hour before the devil knows your dead. Cheers!
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Electron Micrographs of New and Used Abrasives 5 months 4 weeks ago #16370

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Me. I was just dressing up. :dry: :lol:
Last Edit: 5 months 4 weeks ago by mark76.
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Electron Micrographs of New and Used Abrasives 5 months 4 weeks ago #16372

  • EamonMcGowan
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mark76 wrote:
Me. I was just dressing up. :dry: :lol:

Okay funny guy Haha! No in the video the gentleman refers as to how not get a burr? One of them he calls "dressing"? Come on Mark your the scientist, I bet you are the one to know. :whistle:
The definition of insanity is to do the same thing over and over again and expect a different result?
An old Irish toast, May the wind always be at your back, may you always have work and may you be in heaven a half hour before the devil knows your dead. Cheers!
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Electron Micrographs of New and Used Abrasives 5 months 4 weeks ago #16374

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:sick:EamonMcGowan wrote:
mark76 wrote:
Me. I was just dressing up. :dry: :lol:

Okay funny guy Haha! No in the video the gentleman refers as to how not get a burr? One of them he calls "dressing"? Come on Mark your the scientist, I bet you are the one to know. :whistle:

Yeah, but unfortunately English is not my first language. Rumour has it there is a former English teacher (teacher of English?) in our midst...
Last Edit: 5 months 4 weeks ago by mark76.
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Electron Micrographs of New and Used Abrasives 5 months 4 weeks ago #16378

  • AnthonyYan
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"Dressing" a grinding wheel basically means two things:
(1) Shaping the grinding wheel (usually to restore flatness, etc.).
(2) Removing a thin layer from the surface of the grinding wheel to expose fresh abrasive.

You can read about it on Wikipedia:
en.wikipedia.org/wiki/Grinding_dresser
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Electron Micrographs of New and Used Abrasives 5 months 4 weeks ago #16381

  • EamonMcGowan
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Thank you Anthony. Once I started to read "dressing a grinding wheel" it came to me. Lol Thanks again!
The definition of insanity is to do the same thing over and over again and expect a different result?
An old Irish toast, May the wind always be at your back, may you always have work and may you be in heaven a half hour before the devil knows your dead. Cheers!
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Electron Micrographs of New and Used Abrasives 5 months 4 weeks ago #16383

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lol... Not to be confused with "dressage"! :silly:
en.wikipedia.org/wiki/Dressage
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